--- /dev/null
+//! Routines for testing decoders.
+use std::fs::File;
+use std::io::prelude::*;
+use nihav_core::frame::*;
+use nihav_core::codecs::*;
+use nihav_core::demuxers::*;
+//use nihav_core::io::byteio::*;
+use nihav_core::scale::*;
+use super::wavwriter::WavWriter;
+use super::md5::MD5;
+pub use super::ExpectedTestResult;
+
+const OUTPUT_PREFIX: &str = "assets/test_out";
+
+fn write_pgmyuv(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
+ if let NABufferType::None = frm.get_buffer() { return; }
+ let name = format!("{}/{}out{:02}_{:06}.pgm", OUTPUT_PREFIX, pfx, strno, num);
+ let mut ofile = File::create(name).unwrap();
+ let buf = frm.get_buffer().get_vbuf().unwrap();
+ let (w, h) = buf.get_dimensions(0);
+ let (w2, h2) = buf.get_dimensions(1);
+ let has_alpha = buf.get_info().get_format().has_alpha();
+ let mut tot_h = h + h2;
+ if has_alpha {
+ tot_h += h;
+ }
+ if w2 > w/2 {
+ tot_h += h2;
+ }
+ let hdr = format!("P5\n{} {}\n255\n", w, tot_h);
+ ofile.write_all(hdr.as_bytes()).unwrap();
+ let dta = buf.get_data();
+ let ls = buf.get_stride(0);
+ let mut idx = 0;
+ let mut idx2 = w;
+ let is_flipped = buf.get_info().is_flipped();
+ if is_flipped {
+ idx += h * ls;
+ idx2 += h * ls;
+ }
+ for _ in 0..h {
+ if is_flipped {
+ idx -= ls;
+ idx2 -= ls;
+ }
+ let line = &dta[idx..idx2];
+ ofile.write_all(line).unwrap();
+ if !is_flipped {
+ idx += ls;
+ idx2 += ls;
+ }
+ }
+ if w2 <= w/2 {
+ let pad: Vec<u8> = vec![0xFF; (w - w2 * 2) / 2];
+ let mut base1 = buf.get_offset(1);
+ let stride1 = buf.get_stride(1);
+ let mut base2 = buf.get_offset(2);
+ let stride2 = buf.get_stride(2);
+ if is_flipped {
+ base1 += h2 * stride1;
+ base2 += h2 * stride2;
+ }
+ for _ in 0..h2 {
+ if is_flipped {
+ base1 -= stride1;
+ base2 -= stride2;
+ }
+ let bend1 = base1 + w2;
+ let line = &dta[base1..bend1];
+ ofile.write_all(line).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
+
+ let bend2 = base2 + w2;
+ let line = &dta[base2..bend2];
+ ofile.write_all(line).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
+
+ if !is_flipped {
+ base1 += stride1;
+ base2 += stride2;
+ }
+ }
+ } else {
+ let pad: Vec<u8> = vec![0xFF; w - w2];
+ let mut base1 = buf.get_offset(1);
+ let stride1 = buf.get_stride(1);
+ if is_flipped {
+ base1 += h2 * stride1;
+ }
+ for _ in 0..h2 {
+ if is_flipped {
+ base1 -= stride1;
+ }
+ let bend1 = base1 + w2;
+ let line = &dta[base1..bend1];
+ ofile.write_all(line).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
+ if !is_flipped {
+ base1 += stride1;
+ }
+ }
+ let mut base2 = buf.get_offset(2);
+ let stride2 = buf.get_stride(2);
+ if is_flipped {
+ base2 += h2 * stride2;
+ }
+ for _ in 0..h2 {
+ if is_flipped {
+ base2 -= stride2;
+ }
+ let bend2 = base2 + w2;
+ let line = &dta[base2..bend2];
+ ofile.write_all(line).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
+ if !is_flipped {
+ base2 += stride2;
+ }
+ }
+ }
+ if has_alpha {
+ let ls = buf.get_stride(3);
+ let mut idx = buf.get_offset(3);
+ let mut idx2 = idx + w;
+ if is_flipped {
+ idx += h * ls;
+ idx2 += h * ls;
+ }
+ for _ in 0..h {
+ if is_flipped {
+ idx -= ls;
+ idx2 -= ls;
+ }
+ let line = &dta[idx..idx2];
+ ofile.write_all(line).unwrap();
+ if !is_flipped {
+ idx += ls;
+ idx2 += ls;
+ }
+ }
+ }
+}
+
+fn write_palppm(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
+ let name = format!("{}/{}out{:02}_{:06}.ppm", OUTPUT_PREFIX, pfx, strno, num);
+ let mut ofile = File::create(name).unwrap();
+ let buf = frm.get_buffer().get_vbuf().unwrap();
+ let (w, h) = buf.get_dimensions(0);
+ let paloff = buf.get_offset(1);
+ let hdr = format!("P6\n{} {}\n255\n", w, h);
+ ofile.write_all(hdr.as_bytes()).unwrap();
+ let dta = buf.get_data();
+ let ls = buf.get_stride(0);
+ let offs: [usize; 3] = [
+ buf.get_info().get_format().get_chromaton(0).unwrap().get_offset() as usize,
+ buf.get_info().get_format().get_chromaton(1).unwrap().get_offset() as usize,
+ buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
+ ];
+ let mut idx = 0;
+ let mut line: Vec<u8> = vec![0; w * 3];
+ for _ in 0..h {
+ let src = &dta[idx..(idx+w)];
+ for x in 0..w {
+ let pix = src[x] as usize;
+ line[x * 3 + 0] = dta[paloff + pix * 3 + offs[0]];
+ line[x * 3 + 1] = dta[paloff + pix * 3 + offs[1]];
+ line[x * 3 + 2] = dta[paloff + pix * 3 + offs[2]];
+ }
+ ofile.write_all(line.as_slice()).unwrap();
+ idx += ls;
+ }
+}
+
+fn write_ppm(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
+ let name = format!("{}/{}out{:02}_{:06}.ppm", OUTPUT_PREFIX, pfx, strno, num);
+ let mut ofile = File::create(name).unwrap();
+ let info = frm.get_buffer().get_video_info().unwrap();
+ let mut dpic = alloc_video_buffer(NAVideoInfo::new(info.get_width(), info.get_height(), false, RGB24_FORMAT), 0).unwrap();
+ let ifmt = ScaleInfo { width: info.get_width(), height: info.get_height(), fmt: info.get_format() };
+ let ofmt = ScaleInfo { width: info.get_width(), height: info.get_height(), fmt: RGB24_FORMAT };
+ let mut scaler = NAScale::new(ifmt, ofmt).unwrap();
+ scaler.convert(&frm.get_buffer(), &mut dpic).unwrap();
+ let buf = dpic.get_vbuf().unwrap();
+ let (w, h) = buf.get_dimensions(0);
+ let hdr = format!("P6\n{} {}\n255\n", w, h);
+ ofile.write_all(hdr.as_bytes()).unwrap();
+ let dta = buf.get_data();
+ let stride = buf.get_stride(0);
+ for src in dta.chunks(stride) {
+ ofile.write_all(&src[0..w*3]).unwrap();
+ }
+}
+
+/*fn open_wav_out(pfx: &str, strno: usize) -> WavWriter {
+ let name = format!("assets/{}out{:02}.wav", pfx, strno);
+ let mut file = File::create(name).unwrap();
+ let mut fw = FileWriter::new_write(&mut file);
+ let mut wr = ByteWriter::new(&mut fw);
+ WavWriter::new(&mut wr)
+}*/
+
+/// Tests decoding of provided file and optionally outputs video frames as PNM (PPM for RGB video, PGM for YUV).
+///
+/// This function expects the following arguments:
+/// * `demuxer` - container format name (used to find proper demuxer for it)
+/// * `name` - input file name
+/// * `limit` - optional PTS value after which decoding is stopped
+/// * `decode_video`/`decode_audio` - flags for enabling video/audio decoding
+/// * `video_pfx` - prefix for video frames written as pictures (if enabled then output picture names should look like `<crate_name>/assets/test_out/PFXout00_000000.ppm`
+/// * `dmx_reg` and `dec_reg` - registered demuxers and decoders that should contain demuxer and decoder(s) needed to decode the provided file.
+///
+/// Since the function is intended for tests, it will panic instead of returning an error.
+pub fn test_file_decoding(demuxer: &str, name: &str, limit: Option<u64>,
+ decode_video: bool, decode_audio: bool,
+ video_pfx: Option<&str>,
+ dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) {
+ let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap();
+ let mut file = File::open(name).unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = create_demuxer(dmx_f, &mut br).unwrap();
+
+ let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new();
+ for i in 0..dmx.get_num_streams() {
+ let s = dmx.get_stream(i).unwrap();
+ let info = s.get_info();
+ let decfunc = dec_reg.find_decoder(info.get_name());
+ if let Some(df) = decfunc {
+ if (decode_video && info.is_video()) || (decode_audio && info.is_audio()) {
+ let mut dec = (df)();
+ let mut dsupp = Box::new(NADecoderSupport::new());
+ dec.init(&mut dsupp, info).unwrap();
+ decs.push(Some((dsupp, dec)));
+ } else {
+ decs.push(None);
+ }
+ } else {
+ decs.push(None);
+ }
+ }
+
+ loop {
+ let pktres = dmx.get_frame();
+ if let Err(e) = pktres {
+ if e == DemuxerError::EOF { break; }
+ panic!("error");
+ }
+ let pkt = pktres.unwrap();
+ let streamno = pkt.get_stream().get_id() as usize;
+ if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] {
+ if let (Some(lim), Some(ppts)) = (limit, pkt.get_pts()) {
+ if ppts > lim { break; }
+ }
+ let frm = dec.decode(dsupp, &pkt).unwrap();
+ if pkt.get_stream().get_info().is_video() && video_pfx.is_some() && frm.get_frame_type() != FrameType::Skip {
+ let pfx = video_pfx.unwrap();
+ let pts = if let Some(fpts) = frm.get_pts() { fpts } else { pkt.get_pts().unwrap() };
+ let vinfo = frm.get_buffer().get_video_info().unwrap();
+ if vinfo.get_format().is_paletted() {
+ write_palppm(pfx, streamno, pts, frm);
+ } else if vinfo.get_format().get_model().is_yuv() {
+ write_pgmyuv(pfx, streamno, pts, frm);
+ } else if vinfo.get_format().get_model().is_rgb() {
+ write_ppm(pfx, streamno, pts, frm);
+ } else {
+panic!(" unknown format");
+ }
+ }
+ }
+ }
+}
+
+/// Tests audio decoder with the content in the provided file and optionally outputs decoded audio.
+///
+/// The syntax is very similar to [`test_file_decoding`] except that it is intended for testing audio codecs.
+///
+/// Since the function is intended for tests, it will panic instead of returning an error.
+///
+/// [`test_file_decoding`]: ./fn.test_file_decoding.html
+pub fn test_decode_audio(demuxer: &str, name: &str, limit: Option<u64>, audio_pfx: Option<&str>,
+ dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) {
+ let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap();
+ let mut file = File::open(name).unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = create_demuxer(dmx_f, &mut br).unwrap();
+
+ let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new();
+ for i in 0..dmx.get_num_streams() {
+ let s = dmx.get_stream(i).unwrap();
+ let info = s.get_info();
+ let decfunc = dec_reg.find_decoder(info.get_name());
+ if let Some(df) = decfunc {
+ if info.is_audio() {
+ let mut dec = (df)();
+ let mut dsupp = Box::new(NADecoderSupport::new());
+ dec.init(&mut dsupp, info).unwrap();
+ decs.push(Some((dsupp, dec)));
+ } else {
+ decs.push(None);
+ }
+ } else {
+ decs.push(None);
+ }
+ }
+
+ if let Some(audio_pfx) = audio_pfx {
+ let name = format!("{}/{}out.wav", OUTPUT_PREFIX, audio_pfx);
+ let file = File::create(name).unwrap();
+ let mut fw = FileWriter::new_write(file);
+ let mut wr = ByteWriter::new(&mut fw);
+ let mut wwr = WavWriter::new(&mut wr);
+ let mut wrote_header = false;
+
+ loop {
+ let pktres = dmx.get_frame();
+ if let Err(e) = pktres {
+ if e == DemuxerError::EOF { break; }
+ panic!("error");
+ }
+ let pkt = pktres.unwrap();
+ if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() {
+ break;
+ }
+ let streamno = pkt.get_stream().get_id() as usize;
+ if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] {
+ let frm = dec.decode(dsupp, &pkt).unwrap();
+ if frm.get_info().is_audio() {
+ if !wrote_header {
+ wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap();
+ wrote_header = true;
+ }
+ wwr.write_frame(frm.get_buffer()).unwrap();
+ }
+ }
+ }
+ } else {
+ loop {
+ let pktres = dmx.get_frame();
+ if let Err(e) = pktres {
+ if e == DemuxerError::EOF { break; }
+ panic!("error");
+ }
+ let pkt = pktres.unwrap();
+ if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() {
+ break;
+ }
+ let streamno = pkt.get_stream().get_id() as usize;
+ if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] {
+ let _ = dec.decode(dsupp, &pkt).unwrap();
+ }
+ }
+ }
+}
+
+fn frame_checksum(md5: &mut MD5, frm: NAFrameRef) {
+ match frm.get_buffer() {
+ NABufferType::Video(ref vb) => {
+ md5.update_hash(vb.get_data());
+ },
+ NABufferType::Video16(ref vb) => {
+ let mut samp = [0u8; 2];
+ let data = vb.get_data();
+ for el in data.iter() {
+ samp[0] = (*el >> 8) as u8;
+ samp[1] = (*el >> 0) as u8;
+ md5.update_hash(&samp);
+ }
+ },
+ NABufferType::Video32(ref vb) => {
+ let mut samp = [0u8; 4];
+ let data = vb.get_data();
+ for el in data.iter() {
+ samp[0] = (*el >> 24) as u8;
+ samp[1] = (*el >> 16) as u8;
+ samp[2] = (*el >> 8) as u8;
+ samp[3] = (*el >> 0) as u8;
+ md5.update_hash(&samp);
+ }
+ },
+ NABufferType::VideoPacked(ref vb) => {
+ md5.update_hash(vb.get_data());
+ },
+ NABufferType::AudioU8(ref ab) => {
+ md5.update_hash(ab.get_data());
+ },
+ NABufferType::AudioI16(ref ab) => {
+ let mut samp = [0u8; 2];
+ let data = ab.get_data();
+ for el in data.iter() {
+ samp[0] = (*el >> 8) as u8;
+ samp[1] = (*el >> 0) as u8;
+ md5.update_hash(&samp);
+ }
+ },
+ NABufferType::AudioI32(ref ab) => {
+ let mut samp = [0u8; 4];
+ let data = ab.get_data();
+ for el in data.iter() {
+ samp[0] = (*el >> 24) as u8;
+ samp[1] = (*el >> 16) as u8;
+ samp[2] = (*el >> 8) as u8;
+ samp[3] = (*el >> 0) as u8;
+ md5.update_hash(&samp);
+ }
+ },
+ NABufferType::AudioF32(ref ab) => {
+ let mut samp = [0u8; 4];
+ let data = ab.get_data();
+ for el in data.iter() {
+ let bits = el.to_bits();
+ samp[0] = (bits >> 24) as u8;
+ samp[1] = (bits >> 16) as u8;
+ samp[2] = (bits >> 8) as u8;
+ samp[3] = (bits >> 0) as u8;
+ md5.update_hash(&samp);
+ }
+ },
+ NABufferType::AudioPacked(ref ab) => {
+ md5.update_hash(ab.get_data());
+ },
+ NABufferType::Data(ref db) => {
+ md5.update_hash(db.as_ref());
+ },
+ NABufferType::None => {},
+ };
+}
+
+/// Tests decoder for requested codec in provided file.
+///
+/// This functions tries to decode a stream corresponding to `dec_name` codec in input file and validate the results against expected ones.
+///
+/// Since the function is intended for tests, it will panic instead of returning an error.
+///
+/// # Examples
+///
+/// Test RealVideo 4 decoder in test stream:
+/// ```no_run
+/// use nihav_codec_support::test::ExpectedTestResult;
+/// use nihav_codec_support::test::dec_video::test_decoding;
+/// use nihav_core::codecs::RegisteredDecoders;
+/// use nihav_core::demuxers::RegisteredDemuxers;
+///
+/// let mut dmx_reg = RegisteredDemuxers::new();
+/// let mut dec_reg = RegisteredDecoders::new();
+/// // ... register RealMedia demuxers and RealVideo decoders ...
+/// test_decoding("realmedia", "rv40", "assets/test_file.rmvb", None, &dmx_reg, &dec_reg, ExpectedTestResult::MD5([0x00010203, 0x04050607, 0x08090a0b, 0x0c0d0e0f]));
+/// ```
+pub fn test_decoding(demuxer: &str, dec_name: &str, filename: &str, limit: Option<u64>,
+ dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders,
+ test: ExpectedTestResult) {
+ let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap();
+ let mut file = File::open(filename).unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = create_demuxer(dmx_f, &mut br).unwrap();
+
+ let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new();
+ let mut found = false;
+ for i in 0..dmx.get_num_streams() {
+ let s = dmx.get_stream(i).unwrap();
+ let info = s.get_info();
+println!("stream {} codec {} / {}", i, info.get_name(), dec_name);
+ if !found && (info.get_name() == dec_name) {
+ let decfunc = dec_reg.find_decoder(info.get_name());
+ if let Some(df) = decfunc {
+ let mut dec = (df)();
+ let mut dsupp = Box::new(NADecoderSupport::new());
+ dec.init(&mut dsupp, info).unwrap();
+ decs.push(Some((dsupp, dec)));
+ found = true;
+ } else {
+ decs.push(None);
+ }
+ } else {
+ decs.push(None);
+ }
+ }
+
+ let mut md5 = MD5::new();
+ let mut frameiter = if let ExpectedTestResult::MD5Frames(ref vec) = test {
+ Some(vec.iter())
+ } else {
+ None
+ };
+ loop {
+ let pktres = dmx.get_frame();
+ if let Err(e) = pktres {
+ if e == DemuxerError::EOF { break; }
+ panic!("error");
+ }
+ let pkt = pktres.unwrap();
+ let streamno = pkt.get_stream().get_id() as usize;
+ if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] {
+ if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() {
+ break;
+ }
+ let frm = dec.decode(dsupp, &pkt).unwrap();
+ match &test {
+ ExpectedTestResult::Decodes => {},
+ ExpectedTestResult::MD5(_) => { frame_checksum(&mut md5, frm); },
+ ExpectedTestResult::MD5Frames(_) => {
+ md5 = MD5::new();
+ frame_checksum(&mut md5, frm);
+ md5.finish();
+ if let Some(ref mut iter) = frameiter {
+ let ret = iter.next();
+ if ret.is_none() { break; }
+ let ref_hash = ret.unwrap();
+ let mut hash = [0u32; 4];
+ md5.get_hash(&mut hash);
+println!("frame pts {:?} hash {}", pkt.get_pts(), md5);
+ assert_eq!(&hash, ref_hash);
+ }
+ },
+ ExpectedTestResult::GenerateMD5Frames => {
+ md5 = MD5::new();
+ frame_checksum(&mut md5, frm);
+ md5.finish();
+ let mut hash = [0u32; 4];
+ md5.get_hash(&mut hash);
+println!("frame pts {:?} hash [0x{:08x}, 0x{:08x}, 0x{:08x}, 0x{:08x}],", pkt.get_pts(), hash[0], hash[1], hash[2], hash[3]);
+ },
+ };
+ }
+ }
+ if let ExpectedTestResult::MD5(ref ref_hash) = test {
+ md5.finish();
+ let mut hash = [0u32; 4];
+ md5.get_hash(&mut hash);
+println!("full hash {}", md5);
+ assert_eq!(&hash, ref_hash);
+ }
+ if let ExpectedTestResult::GenerateMD5Frames = test {
+ panic!("generated hashes");
+ }
+}
projects / nihav.git / blobdiff